Superconducting shielding volume fraction
WebApr 26, 2012 · The shielding volume fractions are normalized by the volume of the perfect diamagnetism (−1/4π). The maximum fraction was observed at around 3.0–3.3 by the nominal K compositions. This value coincides with the carrier concentration at the Tc maximum in alkali-doped C 60 superconductors [ 12 ]. WebSuperconductivity Most recent answer 24th Mar, 2016 Denis Gokhfeld Krasnoyarsk Scientific Center Dear Manikandan, in the reference by Z.Liu, the magnetic susceptibility …
Superconducting shielding volume fraction
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WebThe shielding volume fractions of the three samples are also shown in Fig. 6. The superconductive volume fraction (shielding volume frac- tion) measured from the present samples is... Websuperconducting (SC) volume fraction in a sample, bulk-sensitive magnetic-susceptibility and specific-heat measurements have been carried out, using La. 2-x. Sr. x. CuO. 4. single crystals of good quality with x = 0.05-0.3. As a result, it …
WebAug 3, 2005 · Superconducting Volume Fraction in Overdoped Regime of La_2-x_Sr_x_CuO_4_: Implication for Phase Separation from Magnetic-Susceptibility … WebIt is 100% for very good superconductors (type 1 without defect, or type 2 without pinning). In fact, the field can be trapped by defects during the cooling, which results into a reduced …
WebMay 1, 1990 · A new method is proposed to estimate the superconducting volume fraction in a high-T c oxide superconductor. It is based on mixed-state magnetization and … WebMay 27, 2024 · The superconducting shielding volume fraction can be estimated by comparing the diamagnetic signals of EuTe 2 and Pb. As shown in Fig. 2b, the χac ( T) at 2.7 and 4.7 GPa exhibit only one sharp... We would like to show you a description here but the site won’t allow us.
WebFeb 15, 2024 · The onset superconducting Tc is 6 K, and the estimated superconducting shielding volume fraction is 91% at 1.8 K. This indicates that La-doping actually induces bulk superconductivity in these novel Eu 1−x La x FeAs 2 compounds. Download : Download high-res image (104KB) Download : Download full-size image Fig. 3.
WebMay 18, 2024 · The superconducting transition temperatures of HA and PB and HE are 14.05 K, 13.71 K, and 13.95 K, respectively. The HA sample also reveals a higher … iran passport number formatWebMar 20, 2024 · We elucidate the magnetic phases and superconducting (SC) transition temperatures (T c) in Sr 2 VFeAsO 3-δ (21113V), an iron-based superconductor with a … iran patent searchWebMar 25, 2024 · It implies that the maximum shield volume fraction is achieved with 0.01 F doping. Compared with sintering at 700 °C, the superconducting phase content and the … iran patent foreign filing licenseWebApr 26, 2012 · They showed large superconducting volume fractions, as high as 80%. The superconducting transition temperature at 17 K was independent of the K content (x) in … ordained in georgiaWebFeb 1, 2013 · The shielding volume fractions are normalized by the shape of the sample space. As shown in Fig. 4, the shielding volume fraction was saturated at 24 h. On the other hand, in the case of K 3.3 C 60 powder, the superconducting volume fraction was less than 1% by heating at 200 °C for 24 h. ordained in indianaWebNov 6, 2024 · The superconducting properties of as-grown single crystals, however, are highly variable and synthesis dependent due to excess interstitial iron impurities incorporated during growth. Here we report a physicochemical process for pumping this interstitial iron out of the FeTe1−xSex matrix and achieving bulk superconductivity. ordained in idahoWebNov 20, 2024 · HRTEM shows that crystals have two-dimensional intrinsic nanoinclusions established to be the RbFe 2 As 2 (122) phase with a volume fraction of ~5.6%. In contrast with the CaKFe 4 As 4 compound, similar inclusions are not superconducting down to 2 K, and no second magnetization peak was observed in the magnetization measurements at … iran passport renewal photo size